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The first comprehensive treatise of diseases and insect pests affecting two crops that play an important role in ensuring food and nutritional security to millions of people. It is the result of work of more than 80 expert scientists.

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This comprehensive book provides images and the most current information available to quickly diagnose and treat infectious diseases, noninfectious disorders, and insect pests of rhododendron and azalea plants.

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An up-to-date comprehensive source of information on diseases, pests, and other problems that occur in the production, storage, and handling of sweetpotatoes, the world's seventh most important food crop.

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This colorful book allows users to quickly identify tomato diseases, disorders, and other pests for treatment. This new edition covers mites, insects, and "worm" pests, as well as 20 new tomato diseases and disorders.